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Ainat [17]
2 years ago
12

Help please...............

Mathematics
2 answers:
frozen [14]2 years ago
4 0

Answer:

Sam made a mistake, and their correct value is 30.

Step-by-step explanation:

Alisiya [41]2 years ago
3 0

Answer:

Value 30

Step-by-step explanation:

just did it

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Guys answer this one only one more question left
Karo-lina-s [1.5K]

Answer:

336

Step-by-step explanation:

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How many solutions does the following equation have? 3(4x+3)=3+12x
TiliK225 [7]

3(4x+3)=3+12x

12x+9=3+12x

9=3

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3 0
2 years ago
What are the values of the variables in the triangle below?
harkovskaia [24]

Answer:

D) x=9 ; y=3√(3)

Step-by-step explanation:

Sin(30)=\cfrac{y}{6\sqrt{3} }

\cfrac{18y}{6\sqrt{3}}=18\sin \left(30^{\circ \:}\right)

\sqrt{3}y=9

\cfrac{\sqrt{3}y}{\sqrt{3}}=\cfrac{9}{\sqrt{3}}

y=3\sqrt{3}

~

Cos(30)=\cfrac{x}{6\sqrt{3} }

\cfrac{18x}{6\sqrt{3}}=18\cos \left(30^{\circ \:}\right)

\sqrt{3}x=9\sqrt{3}

\cfrac{\sqrt{3}x}{\sqrt{3}}=\cfrac{9\sqrt{3}}{\sqrt{3}}

x=9

Therefore, x=9 and y=3√(3)

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8 0
2 years ago
Solve y=x²+7 for x for apexvs homeschool 2019​
Molodets [167]

Hello!

To solve for x means to isolate x:

y = x^2 + 7

y - 7 = x^2

sqrt(y - 7) = x

Answer:

x = sqrt(y - 7)

Hope this helps if it did please make brainliest!

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